Saw.



PATENTED JULY 7, 1908.

S. ROSE.

SAW.

APPLICATION FILED JULY 10, 1907.

3 SHEETS-SHEET 1.

INVENTOH Kaye Z5056 I W/TNESSES A TTORNEYS- PATBNTED JULY 7 S. ROSE.

SAW.

3 SHEETS-SHEET 2 m HI A TTOHNEYS APPLICATION FILED JULYIO, 1907.

8 CL S m mhl m M No. 892,895. PATENTED JULY 7, 1908.

S. ROSE.

SAW.

APPLICATION FILED JULY 10, 1907.

3 SHEETS-SHEET 3.

' mum-mum '11 Ala-MIMI" 2f mum" u III.

ATTORNEYS- WITNESSES SAGE ROSE, OF NEW ORLEANS, LOUISIANA.

SAW.

Specification of Letters Patent.

Patented July 7, 1908.

v Application filed July 10, 1907. Serial No. 382,999.

To all whom it may concern:

the United States, and a resident of New Orleans, in the parish of Orleans and State of Louisiana, have invented a new and 1mproved Saw, of which the following is a full, clear, and exact description.

This invention relates to saws, and more particularly to rotary saws used for felling recs.

The object of the invention is to provide a rotary saw mounted upon a suitable transportable frame',and adapted to be 0 erated manually or by a driving motor suc as an explosive engine or the like.

A further object of the invention is to provlde a rotary saw movably carried upon a trans jecte against a tree trunk.

' A still further'object of the invention is to provide a device of-the class described, consisting of a transportable frame ada ted to be arranged at the'trunk of a tree, an having a rotary saw adjustably carried thereupon so that it can be rojected a ainst the tree trunk at an ang e with the orizontal, and provided with suitable driving means for operating the saw.

An additional object of the invention is to provide a tree-felling device including a rota saw adjustablymounted. at an angle Wit the horizontal, and arranged to cut into the tree trunk close to the ground and at an angle with the. length of the trunk.

he invention consists in the construction and combination of parts to-be more fully described hereinafter and particularly pointed out in the claims.

Reference is to be had to the accompanying drawings forming a part of this specifica tion, in whlch similar characters of reference indicate corresponding and in which Figure 1 represents a vertical section through the device, showing the saw in position adjacent to a tree trunk and arranged to parts in all the views,

out intothe latter close to the ground to sever the same; Fig. 2 is a view taken perpendicularly to the ane of the saw; Fig. 3 is a section on the 'ne 33 of Fig. 2, showing the actuating mechanismj Fig. 4 is a cross-section on the line 44 of Fig. 2; and Fig. 5 is a section on the line 55 of Fig. 1.

Before proceeding to a more detailed exortable frame and arranged to be pro I I planation of my invention it should be un- Be it knownthat I, SAGE Rosa, a citizen of derstood that while the saw, as such, is a licable to a number of uses the primary oliject of the invention is to provide a device of the class described articularly useful in the cutting down or fel mg of trees or other timber. To accomplish this urpose I provide a trans ortable frame w rich can be convenient y moved about from place to place and which has standards or sup orts permitting the frame to be leveled an adjusted to suit irregularities of the ground. Movably mountedupon the frame upon a carreir is a rotary saw carried at an angle with the horizontal, preferably of 45. The saw is arranged to be projected beyond the frame, against the tree trunk to cut into the same I for the purpose of severing it, and has means whereby the saw can be held in a plurality of positions as the cut into the tree advances. The frame carries actuating mechanism connected with the saw by means of .a flexible shaft. The actuating mechanism can be manually operated or can be suitably connected with a motor, such as a gas engine or other rime mover. As the position of the saw re ative to the actuating mechanism is constantly being chan ed as the work progrosses, I provide a shaft connection between the saw and the driving means, which is not only flexible but is extensible as well.

Referring more particularly to the drawings, 1 represents a transportable frame preferably formed from cast-iron or other suitable material. The transportable frame comprises side-members 2 substantially triangular in form and having two of the sides at right angles with respect to one another and including transverse bracing members 3. l

The bases of the triangular side members are joined by an inverted Tshaped brace 4 hav-,

ing toes 5 at its extremities, secured in posi tion upon the side members 2 by means of screws or bolts 6. The vertical sides of the members 2 are joined by a back plate 7 held in position rigidly upon the sides by means of screws or bolts 8 engaging suitable threaded openings in lugs 9 integral with the side members. The inclined sides of the members 2 are normally at an angle of substantially 45 and are joined by an A-shaped brace 10, having its opposite ends provided with toes 11 mounted 'upon the sides by means of screws or bolts 12, and secured to the back-plate near the upper edge thereof.

by means of screws or bolts 13. One of the side members 2 at the lower edge has bearing brackets 14, which carry supporting wheels or rollers 15. The corresponding edge of the opposite side member 2 has threaded openings in which are mounted similarly threaded adjustable supports 16, having heads 17 and adjusting nuts 18 on the threaded shanks thereof. By means of the supports 16, the frame can be leveled or otherwise adjusted to allow for irregularities of the ground adjacent to the tree which is being felled A swinging saw carrier 19 is pivotally mounted at one end by means of a bolt 20, upon the inclined side of one of the side members 2 and extends to the opposite side member 2, being arranged in a guide-way or slot 21 integral with the inclined side. Beyond the guide-way 21 the carrier has an offset handle 22 by means of which it may be swung about its pivotal point for purposes of adjustment. Adjacent to the guide-way 21 the inclined side of the side member 2 has an extension 23, constituting a segment and provided with a lurality of notches 24. Near the handle, t e saw carrier has a pivoted dog 25'normally pressed into enga ement with the segment 23 by means 0 a sprin 26, 'and presenting adjacent to the hand e 22 an arm 27, by means of which it can be swung out of or into en a ement with the segment, by the hand 0 the operator grasping the handle 22. A spindle 28 having a threaded extremity 29 and a head 30, is mounted in one of suitable openings of the saw carrier with the head engaging the under side thereof. A collar 31 presenting pin projections 32, is mounted upon the sp1ndle28 and is held in position by means of a setscrew 33. A saw blade 34, having saw teeth 35, is mounted upon -the spindle and rests against the collar 31, the saw blade having suitable openings to permit the projection therethrough of the spindle and the 32. A second collar 36 is arranged upon t e spindle and has recesses engaging the pins 32; A

' nut 37 is screwed upon the threaded eX-tremity 29 and serves to force the collars together, holding the saw firmly therebetwe'en and mounting the same rigidly upon the spindle.

Beyond the. head 30, the spindle 28 has a universal joint socket 38. v

Adjacent to the back plate 7 but s aced therefrom, is an upright 39 having the oWer end bifurcated and presenting feet 40 mounted rigidly u on a cross-bar 41 by means of screws or bolts 42. The cross bar is carried by the lower sides of the side members 2. A driving shaft 43 ismounted in suitable ball bearings 44 and 45 carried by the back plate and the upright, res ectively.

The driving shaft 43 has a fly-whee '46 at the rear face of the back plate 7, and between the latter and the upright 39 a rigid pinion 47 right.

suitable ball bearings 50 and 51 carried'rev spectively, by the ack plate and the upmesh with the pinion 47 and is provided with a ratchet 53. A hand lever 54 has a forked The shaft 49 has a gear wheel 52 in extremity 55 loosely mounted upon the.

shaft 49 and at opposite sides of the ratchet 53. Between the sides of the bifurcated end 55 the hand lever has a dog 56 normally pressed into engage-merit with the ratchet 53 by means of a spring 57. The hand lever extends through a guide-way or slot 58 integral with the vertical side of one of the side members 2 and projects laterally beyond the frame. Below the shaft v43 a further shaft 59 is suitablymount'ed in ball bearings 60 and 61 of the back plate and the upright respectively, and carries a rigid giin'ion 62 in mesh with the gear-wheel 48 o the driving shaft 43. Beyond the upright 39 the shaft 59 presents a socket 63 of a universal joint.

I provide a hollow shaft member 64 having an inwardlyprojecting pin 65, and at one extremity a socket 66 of a universal joint. A block 67 is pivotallymounted in the sockets 66 and 38 respectively and constitutes therewith a universal joint. A second shaft member 68 having an elongated groove 69, is slidably mounted Within the, member 64. The projection enga es the groove 69 and prevents the rotation-o each of the members with respect to the other. At the outer end, the second shaft member 68 has a universal joint socket 70.

A block 71 is pivotallyf mounted in the sockets 70 and 63 respec- As the distance between the saw and the 8.0-

tuating'mechanism increases, allowance is made for the increase bythe extensible shaft, 3 the members 64 and 68. of which are relativel. slidable. At the. same time the altere position of the saw with respect to the actuating mechanism does not affect the o eration, as the universal joints of the flexibl shaft permit the transmission of the rotation I of the driving shaft 43 to the spindle 28 in substantially any relative position of the parts. If it is desired to operate the saw manually, the hand lever 54 is employed.

By reciprocating the hand lever back and forth within the guide-way 58, a movement of rotation in one direction is imparted to the shaft 49 by means of the-ratchet 53 and lever the dog slides inoperatively along the teeth ofthe ratchet, and the shaft 49 is free to continue its rotation in the'same direc tion, a further impulse being given thereto by the succeedin movements in the oppo site direction of tlie hand lever.

- To use the device, the frame is placed upon,

the ground adjacent to the trunk of the tree, and-is adjusted by means of the supports 16 to assume a position with the lower side of the side members 2 substantially horizontal; The rotary saw which is at an angle with the horizontal, of preferably 45, is projected by means of the saw carrier into engagement with the trunk of the tree, as close to the ground as possible. The driving mechan ism is then operated to rotate the saw, which rapidly cuts its way into the bole of the tree. As the depth of the cut increases, the saw is projected further by means of the saw carrier, which can be held in a plurality of positions by means of the segment 23' and the dog 25. The saw is allowed to advance to approximately the middle of the tree trunk and is then withdrawn The frame is thereupon moved around-to another side of thetree trunk and a second inclined cut is made in the same; two such inclined cuts at opposite sides of the tree trunk are usually sufficient for the felling of a tree. If the latter is of great size it may be necessary to make three or more cuts, depending upon the diameter of the bole. By judiciously selecting the points of severance and the location of the cuts, the tree'can be easily felled in a direction opposite to the last position of the saw and thereby the latter is not endangered by the falling of the tree.

By means of my saw'it ispossible to sever timber so close to the ground that there is absolutely no stum wastage. Furthermore, in many cases this does away with the arduous labor of subsequent stump pulling and leaves the land in good condition for cultivation.

It will be understood the train of ears between the hand lever and the flexilie shaft, constitutes a speeding-up mechanism by means of which a comparatively slow move ment of the lever is converted into a far more rapid rotary movement of the saw.

Having thus described my invention I claim as new, and desire to secure by Letters Patent:

1. In a device of the class described, in combination, a movable supporting frame having a frame member inclined to the horizontal, a saw carrier mounted upon said frame member, means for holding said carrier in a plurality of positions, a rotary saw mounted upon said carrier and arranged to revolve in a plane parallel to the 'plane of movement of said carrier, and means for operating said saw.

2. In a device of the class described, in combination, a movable supporting frame having a frame member inclined to the .horizontal, a saw carrier mounted to swing upon said frame member, means for holding said carrier n a plurality of positions, a rotary saw mounted upon said earrier'and arranged to revolve in a plane parallel to the swinging plane of said carrier, and saw-driving mechanism adapted to be operated by a prime mover.

3. In a device of the class described, in combination, a movable suppm'ting frame having frame members inclined to the horizontal, a saw carrier pivotally mounted u on one of said frame members, and arranger to swing upon another of said frame members, means for holding said carrier in a plurality of positions, a rotary saw mounted upon said -arrier, driving mechanism for said saw, and a flexibleconnection between said saw and said driving mechanism.

4. In a device of the class described,in combination, a movable supporting frame having frame members, inclined to thc horizontal a saw carrier pivotally mounted uponone of said members, means for holding said carrier in a )lurality of positions, a rotary saw mounted upon said carrier in a )lane substantially arallel to said inclined frame members, am driving means for operating said saw.

5. In a device of the class described, in combination, a movable supporting frame having frame members, inclined to the horizontal a saw carrier pivotally mounted upon one of said members, means for holding said carrier in a plurality of positions, means for guiding said carrier upon said frame, a rotary saw mounted upon said carrier in a lane substantially arallel to said inclined rame members, 2111( driving means for operating said saw.

6. In a device of the class described, in combination, a movable supporting frame having frame members, inclined to the horizontal a saw carrier pivotally mounted near one end upon one of said inclined frame members, another of said inclined frame members havin a guide engaging said carrier, means for liolding said carrier in a plurality of pdsitions, a rotary saw mounted upon said carrier in a plane substantially parallel to said inclined frame members, dr1vmg means, and a flexible, extensible-shaft connecting said saw and said operating means.

7. In a device of the class described, in combination, a movable supporting frame having frame members, inclined to the horizontal a saw carrier pivotally mounted near one end upon one of said frame members, an-

other of said frame members having a guideslot engaging said carrier and presenting a ,means for uiding said carrier, means for holding said carrier in a plurality of positions, a spindle mounted upon said carrier, a rotary saw rigid with said spindle, said spindle being arranged at substantially right angles to the'plane of said inclined frame members, driving means, and an extensible shaft universally jointed to said spindle and said driving means, respectively.

9. In a device of the class described, in combination, a. transportable frame, means for adjusting said frame, a saw carrier adjustably mounted upon said frame, -means for holding said carrier in a plurality of positions, a rotary saw mounted upon said carrier, a shaft, a hand lever, means for operatively connecting said hand lever and said shaft when said hand lever is moved in one direction, a second shaft, means for opera tively connecting said shaft, and a flexible, extensible shaft connecting said rotary saw and said second shaft.

10. In a device of the class described, in combination, a transportable frame, a moyable saw carrier upon said frame, means for holding said saw carrier in a plurality of positions, a spindle mounted upon said saw carrier, a rotary saw rigid with said s indie,

a shaft having a ratchet, a hand lever oosely mounted upon said shaft and having a dog operatively engaging said ratchet when said hand lever is moved In one direction, a second shaft, an extensible shaft universally jointed to said second shaft and said spindle, respectively, and a train of speeding-up gears connecting said first shaft and said second shaft.

11. In a device of the class described, in combination, a transportable frame, an adjustable saw carrier upon said frame, a spindle mounted upon said saw carrier, a rotary saw rigid with said spindle, said spindle being arranged at an angle with the horizontal, a plurality of shafts carried by said frame, one of said shafts having a'gear wheel and a ratchet, a hand lever having a dog operatively engaging said ratchet when said hand lever is moved in one direction, the second of said shafts having a gear wheel, and a pinion engaging said gear wheel of said first shaft, the third of said shafts having a pinion engaging the gear wheel of the second of said shafts, a flexible, extensible shaft connecting the .third of said shafts and said spindle, and

means for operatively connecting one of said shafts with a prime mover.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

SAGE ROSE.

Witnesses L. L. LABATT, C. H. GoEBEL. 

